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The three great rock classes--igneous, sedimentary and metamorphic--are introduced with igneous rocks. ... Igneous Rock Textures ... Igneous Rock Types: Basalt, Granite and More...
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geology.about.com/cs/basics_roxmin/a/aa011804a.htm
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A photo gallery of intrusive and extrusive rocks by Geology.com ... Igneous Rock Types Menu ... Andesite is a fine-grained, extrusive igneous rock composed mainly of plagioclase with other minerals such as hornblende, pyroxene and biotite. The specimen shown is about two inches (five centimeters) across.
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geology.com/rocks/igneous-rocks.shtml
geology.com/rocks/igneous-rocks.shtml
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Igneous rocks are formed from the solidification of magma, which is a hot (600 deg.C - 1300 deg.C, or 1100 deg. - 2400 deg. F) molten or partially molten rock material. The Earth is composed predominantly of a large mass of igneous rock with a very thin covering of sedimentary rock.
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stone-network.com/petrology/granite.html
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Slowly cooling igneous rock will usually contain larger mineral crystals than igneous rock that cools more quickly. The magma that forms igneous rock beneath the surface of the earth can take thousands of years to cool. ... Country Information...
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geography.about.com/cs/physicalgeography1/a/rockcycle.h...
geography.about.com/cs/physicalgeography1/a/rockcycle.htm
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gabblo igneous rock foun ... igneous rock; 10(e) Characteristics of Igneous Rocks; Igneous Rocks; Introduction to Igneous Rocks; ... Find Information...
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www.sciencelobby.com/spellcheck/g/gabbro_igneous_rock_f...
www.sciencelobby.com/spellcheck/g/gabbro_igneous_rock_found.html
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From GeologyShop One of the main sites for geological information worldwide . ... Igneous Rocks Tour *** (7); Basic descriptions of igneous rock types including granite, diorite, gabbro, rhyolite andesite and basalt. Atlas of Igneous and Metamorphic Rocks *** (8) ; Images of minerals plus plutonic and volcanic rocks.
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www.geologyshop.co.uk/igneou~1.htm
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Igneous Rocks - Content probably too difficult for students...but good resource for teachers. ... The Rock Cycle - Great diagram with information. ... Igneous Rocks - Self-directed online lesson. Awesome information...Don't miss it!!
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edtech.kennesaw.edu/web/rocks.html
edtech.kennesaw.edu/web/rocks.html
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